NTN
Tapered roller bearings 4T-A4050/A4138
Bearing NTN 4T-A4050/A4138, Ø12.7×34.988×10.988 mm. Request a quote — worldwide shipping.
Type Tapered roller bearings
Dimensions
Ø 12,7 × 34,988 × 10,988 mm
d12,7Bore Ø (mm)
×
D34,988Outer Ø (mm)
×
B10,988Width (mm)
Request quote
In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 12,7 mm |
| D - External diameter | 34,988 mm |
| B - Bearing/Inner ring width | 10,988 mm |
| C - Outer ring width | 8,73 mm |
| T - Total width | 10,998 mm |
| a - Charge load application point | 8,498 mm |
| Mass | 0,053 kg |
| C - Dynamic load | 13700000 mN |
| C0 - Static load | 11600000 mN |
| Cu - Fatigue limit load | 1410000 mN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.45 |
| Y0 - Static axial load coefficient | 0.73 |
| Y2 - Upper axial load coefficient | 1.32 |
| N lim - Oil lubrication limit speed | 96000 °/s |
| N lim - Grease lubrication limit speed | 72000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da max - Max shoulder diameter IR | 17 mm |
| db min - Min IR shoulder diameter | 18,5 mm |
| Da max - Max shoulder diameter OR | 29 mm |
| Db min - Min OR shoulder diameter | 32 mm |
| ra max - Max fillet radius | 1,3 mm |
| r1a - Max fillet radius | 1,3 mm |
| Cone designation | 4T-A4050 |
| Cup designation | 4T-A4138 |
Related products
NTN 4T-A4050/A4138